Delay generation of User-Agent header to URLRequestHttpJob and accept custom User-Agent from XHR/Fe…

content/child/request_info.h

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CONTENT_CHILD_REQUEST_INFO_H_
 #define CONTENT_CHILD_REQUEST_INFO_H_
 
 #include <stdint.h>
 
 #include <memory>
@@ skipping 40 matching lines @@
 
   // Optional parameter, the referrer to use for the request for the url member.
   Referrer referrer;
 
   // For HTTP(S) requests, the headers parameter can be a \r\n-delimited and
   // \r\n-terminated list of MIME headers.  They should be ASCII-encoded using
   // the standard MIME header encoding rules.  The headers parameter can also
   // be null if no extra request headers need to be set.
   std::string headers;
 
+  // The User-Agent string specified by the renderer to send in case |headers|
+  // results to get no entry named "User-Agent".
+  std::string default_user_agent;
+
   // Composed of the values defined in url_request_load_flags.h.
   int load_flags;
 
   // Process id of the process making the request.
   int requestor_pid;
 
   // Indicates if the current request is the main frame load, a sub-frame
   // load, or a sub objects load.
   ResourceType request_type;
   RequestContextType fetch_request_context_type;
@@ skipping 62 matching lines @@
   // decide.
   LoFiState lofi_state;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(RequestInfo);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_CHILD_REQUEST_INFO_H_